Multivariable-PI-Based dq Current Control of Voltage Source Converters With Superior Axis Decoupling Capability

被引:186
作者
Bahrani, Behrooz [1 ]
Kenzelmann, Stephan [1 ]
Rufer, Alfred [1 ]
机构
[1] Ecole Polytech Fed Lausanne, Lab Elect Ind, CH-1015 Lausanne, Switzerland
关键词
Current control; multivariable-proportional-integral (PI) controllers; stationary and rotating reference frames; vector control; voltage source converters (VSCs); PREDICTIVE CURRENT CONTROL; CURRENT CONTROL SCHEME; COMPENSATION; INVERTERS; FILTER; MODEL;
D O I
10.1109/TIE.2010.2070776
中图分类号
TP [自动化技术、计算机技术];
学科分类号
080201 [机械制造及其自动化];
摘要
This paper presents a linear direct-quadrature current control strategy for voltage source converters (VSCs) in a rotating reference frame (RRF). The described method is based on multivariable-proportional-integral (PI) regulators and provides fast dynamics and a zero steady-state error. Contrary to the well-known conventional PI-based control strategies in RRFs, the presented method provides practically decoupled axes with a superior disturbance rejection capability. Moreover, its implementation is relatively simple and does not impose excessive structural complexity compared to its conventional PI-based competitors. The method is applicable to both single-and three-phase systems and also to anisotropic three-phase systems, e. g., synchronous motors with different direct and quadrature impedances driven by VSCs. Implementing a three-phase test system, the performance of the presented method is experimentally evaluated.
引用
收藏
页码:3016 / 3026
页数:11
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